
//
//  ZQNewUnityObject.m
//  BrightSunnySky
//
//  Created by 祝志强 on 2018/5/24.
//  Copyright © 2018年 PURANG. All rights reserved.
//

#import "ZQNewUnityObject.h"

@implementation ZQNewUnityObject

#pragma mark - 文本自适应 有行间距的
+ (CGSize)sizeWithString:(NSString *)string font:(UIFont *)font width:(CGFloat) width lineSpacing:(CGFloat) spacing
{
    // 行间距
    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc]init];
    [paragraphStyle setLineSpacing:spacing];
    
    CGRect rect = [string boundingRectWithSize:CGSizeMake(width, MAXFLOAT)//限制最大的宽度和高度
                                       options:NSStringDrawingTruncatesLastVisibleLine | NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading
                                    attributes:@{NSFontAttributeName: font,NSParagraphStyleAttributeName:paragraphStyle}//传人的字体字典
                                       context:nil];
    return rect.size;
}

#pragma mark - 文本自适应
+ (CGSize)sizeWithString:(NSString *)string font:(UIFont *)font width:(CGFloat) width
{
    CGRect rect = [string boundingRectWithSize:CGSizeMake(width, MAXFLOAT)//限制最大的宽度和高度
                                       options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading
                                    attributes:@{NSFontAttributeName: font}//传人的字体字典
                                       context:nil];
    return rect.size;
}



+ (BOOL) checkInput:(NSString *) str {
    if (IsEmpty(str)) {
        return NO;
    }
    NSString *string = str;
    NSInteger strLength = string.length;
    if (strLength) {
        for (NSInteger i = 0; i < strLength; i ++) {
            if (i < strLength - 1) {
                NSString *tempStr = [string substringWithRange:NSMakeRange(i, 2)];
                if ([ZQNewUnityObject stringContainsEmoji:tempStr]){
                    return YES;
                }
            }
        }
    }
    return NO;
}

//判断是否是系统表情
+(BOOL)stringContainsEmoji:(NSString *)string
{
    __block BOOL returnValue = NO;
    [string enumerateSubstringsInRange:NSMakeRange(0, [string length]) options:NSStringEnumerationByComposedCharacterSequences usingBlock:^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) {
         const unichar hs = [substring characterAtIndex:0];
         // surrogate pair
         if (0xd800 <= hs && hs <= 0xdbff)
         {
             if (substring.length > 1)
             {
                 const unichar ls = [substring characterAtIndex:1];
                 const int uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;
                 if (0x1d000 <= uc && uc <= 0x1f77f)
                 {
                     returnValue = YES;
                 }
             }
         }
         else if (substring.length > 1)
         {
             const unichar ls = [substring characterAtIndex:1];
             if (ls == 0x20e3)
             {
                 returnValue = YES;
             }
         }
         else
         {
             // non surrogate
             if (0x2100 <= hs && hs <= 0x27ff)
             {
                 returnValue = YES;
             }
             else if (0x2B05 <= hs && hs <= 0x2b07)
             {
                 returnValue = YES;
             }
             else if (0x2934 <= hs && hs <= 0x2935)
             {
                 returnValue = YES;
             }
             else if (0x3297 <= hs && hs <= 0x3299)
             {
                 returnValue = YES;
             }
             else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030 || hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b || hs == 0x2b50)
             {
                 returnValue = YES;
             }
         }
     }];
    return returnValue;
    
}
@end
